code: def assemble(self):
      return self._assemble_node(0)
  
file_path: m2cgen/m2cgen/assemblers/tree.py
imports: from m2cgen import ast
  from m2cgen.assemblers.base import ModelAssembler
  from m2cgen.assemblers.utils import lte
label_desc: Use image node_id 2 for calling the TreeModelAssembler obj's underlying member method code with example usage: obj.assemble() and returns: self